SOLUTION: Find the coordinates of the other endpoint of a segment with an endpoint of X(13,5) and midpoint M (8,3.

Algebra ->  Angles -> SOLUTION: Find the coordinates of the other endpoint of a segment with an endpoint of X(13,5) and midpoint M (8,3.      Log On


   



Question 383958: Find the coordinates of the other endpoint of a segment with an endpoint of X(13,5) and midpoint M (8,3.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Use the midpoint formula,
x%5BM%5D=%28x%5BX%5D%2Bx%5BY%5D%29%2F2
2%2Ax%5BM%5D=x%5BX%5D%2Bx%5BY%5D
x%5BY%5D=2%2Ax%5BM%5D-x%5BX%5D
x%5BY%5D=2%2A13-8
Similarly,
y%5BM%5D=%28y%5BX%5D%2By%5BY%5D%29%2F2
2%2Ay%5BM%5D=y%5BX%5D%2By%5BY%5D
y%5BY%5D=2%2Ay%5BM%5D-y%5BX%5D
y%5BY%5D=2%2A5-3